What specific data range, related to the expansion of the universe, was used to pinpoint the matter comprising Quipu?

Answer

Redshift of 0.03 and 0.06

The identification of Quipu involved pinpointing matter officially between a redshift of 0.03 and 0.06, using data from the German ROSAT X-ray satellite.

What specific data range, related to the expansion of the universe, was used to pinpoint the matter comprising Quipu?
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